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TDA7501 数据表(PDF) 3 Page - STMicroelectronics |
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TDA7501 数据表(HTML) 3 Page - STMicroelectronics |
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3 / 18 page ![]() ELECTRICAL CHARACTERISTICS (VDD =VS = 8.3V; Tamb =25 °C; RL = 10kΩ; all gains = 0dB; f = 1kHz; unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit GENERAL VCL Input Clipping Level 2.3 VRMS SIN Input Separation 80 100 dB GIN MIN Min. Input Gain 0 dB GIN MAX Max. Input Gain 15 dB GSTEP Step Resolution 1 dB VDC DC Steps Adjacent Gain Steps 0.5 mV GMIN to GMAX 5mV dIN Distortion VOUT = 0.7VRMS 0.002 0.08 % VDCout Output DC-voltage pins 41..44 1.65 V Rout Output impedance 3 k Ω QUASI DIFFERENTIAL CD STEREO INPUT (non inverting) Rin Input Resistance (see Fig. 2) Differential 70 100 130 k Ω CMRR Common Mode Rejection Ratio VCM =1VRMS @ 1kHz 45 70 dB VCM =1VRMS @ 10kHz 45 60 dB VN Output-Noise 20Hz - 20kHz; unweighted 2.5 µV DIFFERENTIAL PHONE/NAVIGATION/FM/AM INPUT (inverting) Rin Input Resistance (see Fig. 3) 35 50 65 k Ω CMRR Common Mode Rejection Ratio VCM =1VRMS @ 1kHz 40 70 dB VCM =1VRMS @ 10kHz 40 60 dB AM IF INPUT Rin Input Resistance 35 50 65 k Ω CASSETTE INPUT (non inverting) Rin Input Resistance 70 100 130 k Ω AM/FM-LEVEL INPUT Rin Input Resistance 70 100 130 k Ω Vmin Minimum Input Voltage -0.4 V Vmax Maximum Input Voltage 7 V Dual MPX control (pin TUNER-) VCTRLMPX1 Control voltage for MPX 1+2 MPX1 -> MPX1 + MPX2 1.5 V VCTRLMPX2 Control voltage for MPX2 MPX1 + MPX1 -> MPX2 4 V VCTRLMPX3 Control voltage for MPX 1+2 MPX2 -> MPX1 + MPX2 3.5 V VCTRLMPX4 Control voltage for MPX1 MPX1 + MPX2 -> MPX2 1 V SPEAKER OUTPUTS Rin Input Impedance 35 50 65 k Ω GMAX Max. Gain single supply mode dual supply mode 15 21 dB dB AMAX Max. Attenuation single supply mode dual supply mode -79 -73 dB dB TDA7501 3/18 |
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